Finding the Fourth Proportional to 7,496.20, 10,344.76 and 4,139.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,496.20 : 10,344.76 = 4,139.15 : x
2. Step 2: Convert to fraction form
   7,496.20/10,344.76 = 4,139.15/x
3. Step 3: Cross multiply
   7,496.20x = 10,344.76 × 4,139.15
4. Step 4: Simplify right side
   7,496.20x = 42,818,513.35
5. Step 5: Solve for x
   x = 42,818,513.35/7,496.20
6. Step 6: Final answer
   x = 5,712.03